FixVault

DTC U2002: Transmitted SPI Data Input Low: Notes

WARNING: This page is about a different car, the 1998 Oldsmobile Cutlass and 1998 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: DTCs U2006 and U2007 must be diagnosed before DTC U2002.